O'Sullivan Dam: Constructed 1947-1949

From inside the book

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Page 1The primary purpose of the project is the ultimate reclamation of 1, 022, 000 acres of semiarid land in Grant, Adams, and Franklin Counties, in the area known
as the Big Bend country, by irrigation with water pumped from the Columbia River
.

Page 5The East Low canal has an initial capacity of 4, 500 cubic feet per second, will
ultimately be about 130 miles long, and will irrigate 252,000 acres. From its
headworks, about 2-1/2 miles north of Adrian, the canal runs south along the east
side ...

Page 6Potholes reservoir covers an area of 32,000 acres at the normal water surface
elevation of 1052.0. It has a total capacity of 675,000 acre-feet and a live storage
capacity of 569,000 acre-feet. This is considered adequate for the ultimate ...